Other Assets (Details) - USD ($) $ in Thousands		Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Dec. 31, 2019
Other Assets [Abstract]
REO		$ 178,802	$ 204,762	$ 249,699	$ 298,867	$ 348,516	$ 411,659
Capital contributions made to loan origination partners		53,537		47,148
Goodwill		61,615		0
Intangible assets, net		24,700		0
Other interest-earning assets		35,437		0
Interest receivable		41,432		38,850
Other loan related receivables		45,242		16,682
Lease right-of-use asset		39,500		758
Other		61,338		32,244
Total Other Assets	[1]	541,603		385,381
Real estate held-for-investment		16,100		$ 61,800
Accumulated amortization		$ 3,300
Borrowing rate		7.50%

[1] See Note 6 for information regarding the Company’s pledged assets.